/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.zookeeper;

import java.util.ArrayList;
import java.util.Collections;

import org.apache.zookeeper.data.ACL;
import org.apache.zookeeper.data.Id;

public class ZooDefs {
	public interface Ids {
		/**
		 * This Id represents anyone.
		 */
		public final Id ANYONE_ID_UNSAFE = new Id("world", "anyone");

		/**
		 * This Id is only usable to set ACLs. It will get substituted with the Id's the
		 * client authenticated with.
		 */
		public final Id AUTH_IDS = new Id("auth", "");

		/**
		 * This ACL gives the creators authentication id's all permissions.
		 */
		public final ArrayList<ACL> CREATOR_ALL_ACL = new ArrayList<ACL>(
				Collections.singletonList(new ACL(Perms.ALL, AUTH_IDS)));

		/**
		 * This is a completely open ACL .
		 */
		public final ArrayList<ACL> OPEN_ACL_UNSAFE = new ArrayList<ACL>(
				Collections.singletonList(new ACL(Perms.ALL, ANYONE_ID_UNSAFE)));

		/**
		 * This ACL gives the world the ability to read.
		 */
		public final ArrayList<ACL> READ_ACL_UNSAFE = new ArrayList<ACL>(
				Collections.singletonList(new ACL(Perms.READ, ANYONE_ID_UNSAFE)));
	}

	public interface OpCode {
		public final int auth = 100;

		public final int check = 13;

		public final int closeSession = -11;

		public final int create = 1;

		public final int createSession = -10;

		public final int delete = 2;

		public final int error = -1;

		public final int exists = 3;

		public final int getACL = 6;

		public final int getChildren = 8;

		public final int getChildren2 = 12;

		public final int getData = 4;

		public final int multi = 14;

		public final int notification = 0;

		public final int ping = 11;

		public final int sasl = 102;

		public final int setACL = 7;

		public final int setData = 5;

		public final int setWatches = 101;

		public final int sync = 9;
	}

	public interface Perms {
		int ADMIN = 1 << 4;

		int CREATE = 1 << 2;

		int DELETE = 1 << 3;

		int READ = 1 << 0;

		int WRITE = 1 << 1;

		int ALL = READ | WRITE | CREATE | DELETE | ADMIN;

	}

	final public static String[] opNames = { "notification", "create", "delete", "exists", "getData", "setData",
			"getACL", "setACL", "getChildren", "getChildren2", "getMaxChildren", "setMaxChildren", "ping" };
}
